DTC P0117: ECT Sensor Input Low: Condition

PCM monitors input voltage at terminal No. 38 If voltage is less than .14 volt, DTC is set. Causes may include the following:

• Faulty ECT sensor.
• Short in Red/Blue wire between ECT sensor harness connector terminal No. 1 and PCM harness connector terminal No. 38.
• Short in harness between ECT signal (Red/Blue wire) and ECT ground (Brown/Green wire).
• PCM malfunction.